{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:P53TQUVB7Z3X6VXSM3GA3SPKRQ","short_pith_number":"pith:P53TQUVB","canonical_record":{"source":{"id":"2205.09749","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-05-19T17:59:58Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"60c5884c03847639d24bb9bd594cb73865ff176582cd5bb701c58e6dcfd2b9a0","abstract_canon_sha256":"9e6bd1445b5afcb033ed2cd7103b9d126fdfddbe928b061431a89f2151dc11ec"},"schema_version":"1.0"},"canonical_sha256":"7f773852a1fe777f56f266cc0dc9ea8c1e8d158bf252ec852e9d03553b1d4ecd","source":{"kind":"arxiv","id":"2205.09749","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.09749","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"arxiv_version","alias_value":"2205.09749v2","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.09749","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"pith_short_12","alias_value":"P53TQUVB7Z3X","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"pith_short_16","alias_value":"P53TQUVB7Z3X6VXS","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"pith_short_8","alias_value":"P53TQUVB","created_at":"2026-07-05T06:45:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:P53TQUVB7Z3X6VXSM3GA3SPKRQ","target":"record","payload":{"canonical_record":{"source":{"id":"2205.09749","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-05-19T17:59:58Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"60c5884c03847639d24bb9bd594cb73865ff176582cd5bb701c58e6dcfd2b9a0","abstract_canon_sha256":"9e6bd1445b5afcb033ed2cd7103b9d126fdfddbe928b061431a89f2151dc11ec"},"schema_version":"1.0"},"canonical_sha256":"7f773852a1fe777f56f266cc0dc9ea8c1e8d158bf252ec852e9d03553b1d4ecd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:45:11.617638Z","signature_b64":"o5zTXPVqu6+G+odQKZ5UsMir7sO0qVQckPskbR4LRMV05AYIpK3JGtf1IfhMM2aIDJZOqo4GEu2H9EZJPsqyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f773852a1fe777f56f266cc0dc9ea8c1e8d158bf252ec852e9d03553b1d4ecd","last_reissued_at":"2026-07-05T06:45:11.617158Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:45:11.617158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.09749","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:45:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+jjK+I9OuPH4VA8mmHARuRh8/5xexYn5+awIfuRMMc6vsmsm0sQf0+TNohrJV1KFiaU/XL3nnkPJDQDsJpasAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:06:44.299903Z"},"content_sha256":"3a20ab8b6645ee8b9aef4faf6663d86e53db5ecbab92d13356b9fee031ca0997","schema_version":"1.0","event_id":"sha256:3a20ab8b6645ee8b9aef4faf6663d86e53db5ecbab92d13356b9fee031ca0997"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:P53TQUVB7Z3X6VXSM3GA3SPKRQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Common envelope binary interaction simulations between a thermally-pulsating AGB star and a low mass companion","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Daniel J. Price, Miguel Gonzalez-Bolivar, Mike Y. M. Lau, Orsola De Marco, Ryosuke Hirai","submitted_at":"2022-05-19T17:59:58Z","abstract_excerpt":"At least one in five of all planetary nebulae are the product of a common envelope (CE) interaction, where the companion in-spirals into the envelope of an asymptotic giant branch (AGB) star ejecting the nebula and leaving behind a compact binary. In this work we carry out 3D smoothed particle hydrodynamics simulations of the CE interaction between a 1.7 $M_{\\odot}$ AGB star and a 0.6 $M_{\\odot}$ companion. We model the AGB structure using a 1D stellar model taken at the seventh thermal pulse. The interaction takes place when the giant is on the expanding phase of the seventh thermal pulse and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.09749","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.09749/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:45:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uOpVyV5lq0qxjExtBaL3pY4soMfcurLU3DK3Wa12r8hocE5HbXDZsxwlBQymE9GwOzU9toYqjz3Ptjpo1U1vBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:06:44.300450Z"},"content_sha256":"fe40941e6ddc87965c5267da9d11c469e5dee127656a65bddb7e33b39249fc98","schema_version":"1.0","event_id":"sha256:fe40941e6ddc87965c5267da9d11c469e5dee127656a65bddb7e33b39249fc98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P53TQUVB7Z3X6VXSM3GA3SPKRQ/bundle.json","state_url":"https://pith.science/pith/P53TQUVB7Z3X6VXSM3GA3SPKRQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P53TQUVB7Z3X6VXSM3GA3SPKRQ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-31T20:06:44Z","links":{"resolver":"https://pith.science/pith/P53TQUVB7Z3X6VXSM3GA3SPKRQ","bundle":"https://pith.science/pith/P53TQUVB7Z3X6VXSM3GA3SPKRQ/bundle.json","state":"https://pith.science/pith/P53TQUVB7Z3X6VXSM3GA3SPKRQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P53TQUVB7Z3X6VXSM3GA3SPKRQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:P53TQUVB7Z3X6VXSM3GA3SPKRQ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"9e6bd1445b5afcb033ed2cd7103b9d126fdfddbe928b061431a89f2151dc11ec","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-05-19T17:59:58Z","title_canon_sha256":"60c5884c03847639d24bb9bd594cb73865ff176582cd5bb701c58e6dcfd2b9a0"},"schema_version":"1.0","source":{"id":"2205.09749","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.09749","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"arxiv_version","alias_value":"2205.09749v2","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.09749","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"pith_short_12","alias_value":"P53TQUVB7Z3X","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"pith_short_16","alias_value":"P53TQUVB7Z3X6VXS","created_at":"2026-07-05T06:45:11Z"},{"alias_kind":"pith_short_8","alias_value":"P53TQUVB","created_at":"2026-07-05T06:45:11Z"}],"graph_snapshots":[{"event_id":"sha256:fe40941e6ddc87965c5267da9d11c469e5dee127656a65bddb7e33b39249fc98","target":"graph","created_at":"2026-07-05T06:45:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2205.09749/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"At least one in five of all planetary nebulae are the product of a common envelope (CE) interaction, where the companion in-spirals into the envelope of an asymptotic giant branch (AGB) star ejecting the nebula and leaving behind a compact binary. In this work we carry out 3D smoothed particle hydrodynamics simulations of the CE interaction between a 1.7 $M_{\\odot}$ AGB star and a 0.6 $M_{\\odot}$ companion. We model the AGB structure using a 1D stellar model taken at the seventh thermal pulse. The interaction takes place when the giant is on the expanding phase of the seventh thermal pulse and","authors_text":"Daniel J. Price, Miguel Gonzalez-Bolivar, Mike Y. M. Lau, Orsola De Marco, Ryosuke Hirai","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-05-19T17:59:58Z","title":"Common envelope binary interaction simulations between a thermally-pulsating AGB star and a low mass companion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.09749","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3a20ab8b6645ee8b9aef4faf6663d86e53db5ecbab92d13356b9fee031ca0997","target":"record","created_at":"2026-07-05T06:45:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"9e6bd1445b5afcb033ed2cd7103b9d126fdfddbe928b061431a89f2151dc11ec","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-05-19T17:59:58Z","title_canon_sha256":"60c5884c03847639d24bb9bd594cb73865ff176582cd5bb701c58e6dcfd2b9a0"},"schema_version":"1.0","source":{"id":"2205.09749","kind":"arxiv","version":2}},"canonical_sha256":"7f773852a1fe777f56f266cc0dc9ea8c1e8d158bf252ec852e9d03553b1d4ecd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f773852a1fe777f56f266cc0dc9ea8c1e8d158bf252ec852e9d03553b1d4ecd","first_computed_at":"2026-07-05T06:45:11.617158Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:45:11.617158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o5zTXPVqu6+G+odQKZ5UsMir7sO0qVQckPskbR4LRMV05AYIpK3JGtf1IfhMM2aIDJZOqo4GEu2H9EZJPsqyCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:45:11.617638Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.09749","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a20ab8b6645ee8b9aef4faf6663d86e53db5ecbab92d13356b9fee031ca0997","sha256:fe40941e6ddc87965c5267da9d11c469e5dee127656a65bddb7e33b39249fc98"],"state_sha256":"66929a7a4827162d4d94263e74ce6450f9e0297ac20fb2b78ecea342fa566908"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f4NnNefx7Iy6mM6GXKdbGUwJG4VIXY0MrUm9PK/61cIhR0KiTY6n3I5nsbRqMxAUgqRJ2/3FPl/3j7jGL2foAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T20:06:44.304690Z","bundle_sha256":"1c91e9d488b5546f690aa69710de2971c8e96bb7878bb33d2d1403cf100cdc33"}}